@@ -1,43 +1,36 @@
How to use and build U-Boot on mx6sabresd:
-----------------------------------
+-----------------------------------------
-Currently there are four methods for booting mx6sabresd boards:
+Currently there are three methods for booting mx6sabresd boards:
-1. Booting from SD card via normal U-Boot (u-boot.imx)
+1. Booting via SPL (SPL and u-boot-dtb.img)
2. Booting from eMMC via normal U-Boot
-3. Booting via SPL (SPL and u-boot.img)
-
-4. Booting via Falcon mode (SPL launches the kernel directly)
-
+3. Booting via Falcon mode (SPL launches the kernel directly)
-1. Booting from SD card via normal U-Boot
------------------------------------------
-
-$ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd)
-or
+1. Booting via SPL (SPL and u-boot-dtb.img)
+-------------------------------------------
-$ make mx6dlsabresd_defconfig (If you want to build for mx6dlsabresd)
+$ make mx6sabresd_defconfig
$ make
-This will generate the image called u-boot.imx.
+This will generate the SPL image called SPL and the u-boot-dtb.img.
-- Flash the u-boot.imx binary into the SD card:
+- Flash the SPL image into the SD card:
+
+$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 && sync
-$ sudo dd if=u-boot.imx of=/dev/sdb bs=1K seek=1 && sync
+- Flash the u-boot-dtb.img image into the SD card:
+$ sudo dd if=u-boot-dtb.img of=/dev/sdb bs=1K seek=69 && sync
2. Booting from eMMC via normal U-Boot
--------------------------------------
-$ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd)
-
-or
-
-$ make mx6dlsabresd_defconfig (If you want to build for mx6dlsabresd)
+$ make mx6sabresd_defconfig
$ make
@@ -66,42 +59,21 @@ $ sudo dd if=u-boot.imx of=/dev/sdX bs=1K seek=1 && sync
Set SW6 to eMMC 8-bit boot: 11010110
-
-3. Booting via SPL
-------------------
-
-Other method for building U-Boot on mx6qsabresd and mx6qpsabresd is
-through SPL. In order to do so:
-
-$ make mx6sabresd_spl_defconfig
-$ make
-
-This will generate the SPL image called SPL and the u-boot.img.
-
-- Flash the SPL image into the SD card:
-
-$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 && sync
-
-- Flash the u-boot.img image into the SD card:
-
-$ sudo dd if=u-boot.img of=/dev/sdb bs=1K seek=69 && sync
-
-
-4. Booting via Falcon mode
+3. Booting via Falcon mode
--------------------------
-$ make mx6sabresd_spl_defconfig
+$ make mx6sabresd_defconfig
$ make
-This will generate the SPL image called SPL and the u-boot.img.
+This will generate the SPL image called SPL and the u-boot-dtb.img.
- Flash the SPL image into the SD card:
$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 oflag=sync status=none && sync
-- Flash the u-boot.img image into the SD card:
+- Flash the u-boot-dtb.img image into the SD card:
-$ sudo dd if=u-boot.img of=/dev/sdb bs=1K seek=69 oflag=sync status=none && sync
+$ sudo dd if=u-boot-dtb.img of=/dev/sdb bs=1K seek=69 oflag=sync status=none && sync
Create a partition for root file system and extract it there: